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Bulk RNA-seq OT-I Cd8 T cells

ABSTRACT: Bulk RNA-seq OT-I Cd8 T cells

PROVIDER: PRJEB82068 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	ERR13925021.fastq.gz	Fastqsanger.gz
	ERR13925022.fastq.gz	Fastqsanger.gz
	ERR13925023.fastq.gz	Fastqsanger.gz
	ERR13925024.fastq.gz	Fastqsanger.gz
	ERR13925025.fastq.gz	Fastqsanger.gz

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Bulk RNA-seq OT-I Cd8 T cells

Project description:To better understand the mechanisms downstream of IL-27 signaling, we performed RNA sequencing on repetitively stimulated OT-I T cells treated with IL-27.

2024-12-06 | E-MTAB-14580 | biostudies-arrayexpress

Bulk RNAseq of OT-1 T cells in OVA-pregnant and OVA-grafted mice

Project description:Purpose: The molecular circuits which govern CD8 T cell fate after alloimmunization by transplantation or pregnancy are unknown. The goals of this study are to perform whole transcriptome profiling (RNA-seq) of antigen-experienced CD8 T cells in parous and grafted mice to determine whether these cells become memory or exhausted T cells. Methods: mRNA profiles of OT-1 T cells recovered fom naive,OVA-skin grafted and OVA-parous mice were generated by bulk RNA-sequencing. OT-1 cells were FACS sorted from 10 individual mice per each of the three groups and then pooled together into three replicate samples per group. The sequence reads that passed quality filters were analyzed after aligning (STAR) with EdgeR. Results: Comparison of OT-1 T cells from OVA-grafted and OVA-parous mice revealed 400 differentially expressed genes. Conclusions: Skin grafting promotes the differentiation of canonical memory CD8 T cells whereas pregnancy promotes the differentiation of exhausted CD8 T cells with diminished recall capacity.

2021-12-06 | GSE188808 | GEO

Gene expression profile magnetic beads sorted CD8+ T cells from naïve splenocytes and OVA257-264 peptide activated splenocytes from WT and Susd2-/- OT-I mice

Project description:CD8+ T cells are phenotypically heterogeneous with varying degrees of functional change. We used Bulk RNA sequencing ( Bulk RNA-seq) to analyze the differences betwteen WT and Susd2-/- OT-I mice.

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Expression data from OT-I CD8 T cells activated with DC in the presence or absence of CpG-Induced Inflammation

Project description:Inflammatory cytokines promote the accumulation of activated CD8 T cells. Here, we transfer 600 OT-I CD8 T cells iv into naÃ¯ve C57BL/6 hosts. One day later, 500,000 LPS-matured and OVA257 peptide-coated DC were injected iv into OT-I CD8 T cell seeded hosts with (DC+CpG) or without (DC). Other seeded mice were infected with 2x10^4 virulent Listeria monocytogenes (vLM-OVA) iv. OT-I CD8 T cells were harvested from the spleen, flow sort purified, then RNA was extracted using RNeasy (Qiagen) kit. Naive OT-I CD8 T cells (Naive) were purified from the spleens of OT-I transgenic mice. Each group had three independent biological replicates.Transcriptomes were compared using DAVID analysis (with genes scoring FDR<0.01) and GSEA analysis. 3 biological replicates per group. Groups included NaÃ¯ve OT-I CD8 T cells, DC+CpG OT-I CD8 T cells, DC OT-I CD8 T cells, and vLM-OVA OT-I CD8 T cells. Most comparisons used NaÃ¯ve OT-I CD8 T cells as a baseline comparison

2013-12-10 | E-GEOD-53200 | biostudies-arrayexpress

Single-cell RNA sequencing of OT-I CD8+ T cells after stimulation with different affinity ligands

Project description:Activation of CD8+ T cells depends exquisitely on the affinity of the T cell receptor (TCR) for a peptide MHC (pMHC) ligand complex. Here, we activated OT-I transgenic CD8+ T cells with pure peptide and examined early activation responses by single-cell RNA-sequencing. T cells were activated with the high affinity OT-I cognate peptide (N4=SIINFEKL) for 1, 3 or 6 hours, or with reduced affinity peptides (T4=SIITFEKL and G4=SIIGFEKL) or the non-binding peptide (NP68=ASNENMDAM) for 6 hours. Cells were then sorted into 96-well plates by FACS and RNA was sequenced following an adapted Smart-Seq2 protocol.

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Transcriptional effects of IL-6 on peptide-stimulated OT-I CD8 T cells after 2 or 7 days

Project description:Interleukin 6 (IL-6) is a pleiotropic cytokine with diverse roles in homeostasis, inflammation, and cancer. To identify transcriptional patterns and differentiation states induced by IL-6 in CD8 T cells, we performed RNAseq profiling of murine OT-I CD8+ T cells stimulated with SIINFEKL peptide in the presence of exogenous IL-6 (10 ng/ml) or anti-IL6R antibody (to block endogenous IL-6 signaling). Bulk OT-I splenocytes were stimulated with SIINFEKL peptide and CD8 T cells were FACS-sorted for RNA extraction after 2 and 7 days. We found that IL-6 potently repressed classical effector differentiation and promoted a gene expression pattern similar to that of memory precursor cells.

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Project description:Inflammatory cytokines promote the accumulation of activated CD8 T cells. Here, we transfer 600 OT-I CD8 T cells iv into naïve C57BL/6 hosts. One day later, 500,000 LPS-matured and OVA257 peptide-coated DC were injected iv into OT-I CD8 T cell seeded hosts with (DC+CpG) or without (DC). Other seeded mice were infected with 2x10^4 virulent Listeria monocytogenes (vLM-OVA) iv. OT-I CD8 T cells were harvested from the spleen, flow sort purified, then RNA was extracted using RNeasy (Qiagen) kit. Naive OT-I CD8 T cells (Naive) were purified from the spleens of OT-I transgenic mice. Each group had three independent biological replicates.Transcriptomes were compared using DAVID analysis (with genes scoring FDR<0.01) and GSEA analysis.

2013-12-10 | GSE53200 | GEO

Comparison of gene expression of OT-I CD8 T cells after infection

Project description:The goal was to examine gene expression after in vivo activation by different vaccine strains of Listeria monocytogenes. Heat killed LM, irradiated LM and live actA- LM were used to immunize mice after transfer of OT-I cells 5x10e5 OT-I-RAG-/- cells transferred to B6 mice, 24hrs later mice immunized; 24hrs later cells sorted on MHC class II-, CD45.1+, CD8+, CD69+ Two arrays were performed per sample for a total of 8 arrays. RAW data file (supplementary file on the Series record) contains the data for each array individually.

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Bulk ATAC-seq of IL27 treated OT-1 cells

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